Question

A={4,5,6} B={7,8} the show that AUB=BUA

Answer 1

A = {4,5,6 }
B= { 7,8 }

AUB = {4,5,6,7,8}
IIly
BUA = { 45678}
Hence
AUB = BUA

Answer 2

Answer:

Step-by-step explanation:

A = {4,5,6} B={7,8}

AUB = {4,5,6,7,8}

BUA={7,8,4,5,6}

So in both AUB and BUA contains same elements.

So AUB = BUA